Press



Aug. 28, 1923. 'v K r 1,466,408

L. C. MEYERS PRESS Filed Sept. 27 1922 A 07/726 al /12995 dii cutting and punching presses of the open throatv type wherein the frame extends uplatented Aug. 28, i923.

* usirsn sra'rss means LUTHER 'o. Mavens, or BRIDGETON, NEW ERSEY.

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Application'filed September 27, 1922. Serial No. 590,839.

T 0 all whom it may concern: 7

Be it known that I, LUTHER C. l\'lEYERS, residing at Bridgeton, New Jersey, a citizen of the United States, have invented certain new and useful Improvements in Prcsses,'of which the following is a specification.

' My invention relates to presses, such as ward and forward from the base and overhangs the latter. As ord1na-r1ly made press frames for this type of press have been made of aone piece casting and when as often happens, they are broken by accident, or overload, the entire frame is ruined and must bereplaced and at considerable loss because the whole frame is quite expensive,

The object of my-'invention is to diminish the danger of breakage from overload and to avoid the loss of the entire frame should breakage occur, and my invention consists in connecting the base and head members by tie/rods which will take the tensile stresses which have to. be borne by the frame of the type of presses in question and neutralize, or obviate the shearing stresses that tend to cause the frame parts sliding on one another.

In the accompanying drawings:

Fig. 1 is a side elevation of a cutting press frame embodying my invention;

Fi 2 is 'a front elevation thereof;

Fig. 3 is a view partly in plan and partly in section in a plane extending horizontally above the base of the press;

Fig. 4 is a side elevation of an embodiment of my invention in which the'tie rods of a pair are made in one piece.

In making my present invention I have had particularly in view a construction which while as efficient as that shown in my Patent No. 1,280,106 issued September 24, 1918, will be more economicalto make and in some respects possess other advantages.

Referring to the cutting press frame shown in Figs. 1 and 2, it will be seen. that it is composed of a base member, 10, having a plane'or flat top, a head member which is composed of two similar elements, 11, which have half boxes, 12, to furnish bearings for the shaft which extends from side to side of the press, and a body member, 18, which, at its lower end rests upon the base at the rear thereof, the two being secured together, and at its upper end at each side has secured.

to it the two elements forming the head mem er, 1 the abu ting faces of t e we rious members being plane, or flat. The

body member, 13, inclines upward and for ward so that as will beseen from Fig.1 of the drawings the ram reciprocating shaft overhangs the work on the bed of'the press: At each side of the press and extcndingconinuously from the bottom of the base, 10,

upward through an opening. in the body, 13, and the head elements, 11, and emerging on the top of the latter, is a tiedevice of double crossed rods, 15, that is'interniediate the fulcrum, or bearing po1nt upon which the bodyme-mber, under load, tends to rock upon the base, 10, and the line of thrust between the shaft supported by the-head elements, 11, and the base, sothatthe tie. rods are practically inthe line of. greatest tensile strains and, hence, takethe tensilestress which the frame must bear. 15, of a pair is continuous and straight from 'end to endand emerges below the base, 10,

and above the head, 11, the emerging portion be1ng screw threaded. to receive a nut,

16, and each rod of a pair extends at the in-a cline at the same angle from top to bottom,

which in the case of one rod is upward and forward to bring its upper end closer to the point of upward thrust exerted on the head, 11, and in the case of the other rod is upward and rearward, the two rods crossing.

substantially at the plane of the flat top of the base, 10, the two rods of a pair passing alongside one another so that they lie in parallel vertical planes. As the forwardly inclined rod of a pair under tensile stress tends to straighten up or shift backward under the pull upon it, it causes a tendency of the head 11, to shift rearwardly, but the other rod by its rearward inclination opposes that tendency and hence horizontal shear by any sliding tendency of the head is eliminated. Asa pairjof tie rods at each side of the press consists of two simple straight rods, the construction is obviously an inexpensive one, Moreover each rod of a pair being straight from end to end the, tensile stresses are transmitted in a straight line from end to end of the rod. This last named advantage may be secured by making the two rods of a pair in one piece as shown inFig. l, the two rods, 150, being in effect joined where they intersect, and thestraight extremity of each rod of the joined pair terminating in a threaded portion to receive the anchoring or securing nut. 7

AS a result of th forward pOSltigp. 1;- th

Each tie rod,

lower portion vof the upwardly and rearwardly inclined rod or member which has the effect of shortening the lever arm towards the Vertical center line of the ram,

there is less strain on the base and the rods,

for a given ram pressure, as compared, say, with a rod dropped Vertically from the plane of the top of the base at the point where the inclined rod enters the base. 7

hat I claim is:

1. A press frame for open throated presses comprising base, head and body members made of separatepie'ces, and a pair of tie rods, at either side of the press extending through and joining said pieces, said tie rods being situated in rear of the line of thrust between head and base members and for V ward of the fulcrum point upon which said rods, at'either side of the press extending connected members tend to rock and each tie rod extending in a stralght line from the base to head members, each of such rods at bothvextremities being separate from the other and each having at such polnt member.

engaging securing means.

2. A press frame for open throated presses 7 comprising base, head and body members made of separate pieces, and a pair of tie being situated in rear of t'heline of thrust between head and base members and forward of the fulcrum point upon which said connected members tend to rock and each tie rod extending in a straight line from the base to head members, and each having member engaging securing means, each tie rod of a pair being separate from theother and the two lying in parallel planes.

3. A press frame for open throated presses comprising base, head and body members made of separate pieces, and a pair of tie rods, one at either side of the press, extending through and joining said pieces, said tie rods being situated in rear of the line of" thrust between head and base members and forward of the fulcrum point upon which said connected members tend to rock and each extending at an incline throughoutits length, one being inclined upward "and for ward and the other upward and rearward and the two intersecting at or substantially at the plane of the top of the base member. In testimony whereof I hereunto afiix my signature.

LUT ER o. MEYERS. 

